;;; number of bits per byte where a byte is the smallest addressable object
(def!constant n-byte-bits 8)
+;;; flags for the generational garbage collector
+(def!constant pseudo-atomic-interrupted-flag 1)
+(def!constant pseudo-atomic-flag
+ ;; Must be (ash 1 (1- sb-vm:n-lowtag-bits)) for cheneygc ALLOCATION.
+ 4)
+
(def!constant float-sign-shift 31)
(def!constant single-float-bias 126)
;;;; Description of the target address space.
;;; Where to put the different spaces. Must match the C code!
-#!+linux
+#!+(and linux cheneygc)
(progn
(def!constant linkage-table-space-start #x0f800000)
(def!constant linkage-table-space-end #x10000000)
(def!constant dynamic-1-space-start #x40000000)
(def!constant dynamic-1-space-end #x48000000))
-#!+sunos ; might as well start by trying the same numbers
+#!+(and linux gencgc) ; sensibly small read-only and static spaces
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x110ff000)
+
+ (def!constant static-space-start #x11100000)
+ (def!constant static-space-end #x111ff000)
+
+ (def!constant dynamic-space-start #x30000000)
+ (def!constant dynamic-space-end (!configure-dynamic-space-end)))
+
+#!+(and sunos cheneygc) ; might as well start by trying the same numbers
(progn
(def!constant linkage-table-space-start #x0f800000)
(def!constant linkage-table-space-end #x10000000)
(def!constant dynamic-1-space-start #x40000000)
(def!constant dynamic-1-space-end #x48000000))
+#!+(and sunos gencgc) ; sensibly small read-only and static spaces
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x110ff000)
+
+ (def!constant static-space-start #x11100000)
+ (def!constant static-space-end #x111ff000)
+
+ (def!constant dynamic-space-start #x30000000)
+ (def!constant dynamic-space-end (!configure-dynamic-space-end)))
+
#!+netbsd ; Need a gap at 0x4000000 for shared libraries
(progn
(def!constant linkage-table-space-start #x0f800000)
fun-end-breakpoint-trap
after-breakpoint-trap
single-step-around-trap
- single-step-before-trap)
+ single-step-before-trap
+ #!+gencgc allocation-trap)
(defenum (:start 24)
object-not-list-trap
(append
*common-static-symbols*
*c-callable-static-symbols*
- '()))
+ '(#!+gencgc *restart-lisp-function*)))
(defparameter *static-funs*
'(length
two-arg-+ two-arg-- two-arg-* two-arg-/ two-arg-< two-arg-> two-arg-=
two-arg-<= two-arg->= two-arg-/= eql %negate
two-arg-and two-arg-ior two-arg-xor two-arg-eqv
- two-arg-gcd two-arg-lcm
- ))
-\f
-;;;; Assembler parameters:
-
-;;; The number of bits per element in the assemblers code vector.
-(defparameter *assembly-unit-length* 8)
-
+ two-arg-gcd two-arg-lcm))
\f
;;;; Pseudo-atomic trap number